<template>
	<div class="markdown-container">
		<!-- 渲染区 -->
		<div id="markdown-box"></div>
		<div class="bottom">
			<el-button type="primary" @click="onSubmitClick">{{
				$t('msg.article.commit')
			}}</el-button>
		</div>
	</div>
</template>

<script setup>
import MkEditor from '@toast-ui/editor'
import '@toast-ui/editor/dist/toastui-editor.css'
import '@toast-ui/editor/dist/i18n/zh-cn'
import { onMounted, defineProps, defineEmits, watch } from 'vue'
import { useStore } from 'vuex'
import { watchSwitchLang } from '@/utils/i18n'
import { commitArticle, editArticle } from './commit'
const props = defineProps({
	title: {
		required: true,
		type: String
	},
	detail: {
		type: Object
	}
})

const emits = defineEmits(['onSuccess'])

// 初始化editor
// Editor实例
let mkEditor
// 处理离开页面切换语言导致 dom 无法被获取
let el
onMounted(() => {
	el = document.querySelector('#markdown-box')
	initEditor()
})

const store = useStore()
const initEditor = () => {
	mkEditor = new MkEditor({
		el,
		height: '500px',
		previewStyle: 'vertical',
		language: store.getters.language === 'zh' ? 'zh-CN' : 'en'
	})

	mkEditor.getMarkdown()
}

// 监听语言变化
watchSwitchLang(() => {
	if (!el) return
	const htmlStr = mkEditor.getHTML()
	mkEditor.destroy()
	initEditor()
	mkEditor.setHTML(htmlStr)
})

// 编辑相关
watch(
	() => props.detail,
	(val) => {
		if (val && val.content) {
			mkEditor.setHTML(val.content)
		}
	},
	{
		immediate: true
	}
)

// 处理提交
const onSubmitClick = async () => {
	if (props.detail && props.detail._id) {
		// 编辑文章
		await editArticle({
			id: props.detail._id,
			title: props.title,
			content: mkEditor.getHTML()
		})
	} else {
		// 创建文章
		await commitArticle({
			title: props.title,
			content: mkEditor.getHTML()
		})
	}

	mkEditor.reset()
	emits('onSuccess')
}
</script>

<style lang="scss" scoped>
.markdown-container {
	.bottom {
		margin-top: 20px;
		text-align: right;
	}
}
</style>
